The Type of Cell Connection That Serves as a Permeability

Question

The type of cell connection that serves as a permeability barrier is a ________.
A) hemidesmosome
B) desmosome
C) gap junction
D) intercalated disc
E) tight junction

Accepted Answer

Tight junctions serve as permeability barriers by sealing adjacent cells together in an epithelial sheet to prevent the leakage of molecules between them, thus controlling the passage of substances across the tissue.